Science Reviewer
Select
the letter of the best answer.
1. What
did Robert Hooke use to view cells?
a.
cork
b.
fuzz
c.
saliva
d.
tree bark
2. The three basic needs of living things are the following except:
a. people
b. air
c. water
d. warmth
3. Which of the following is not part of the cell
theory?
a. All living organisms are composed of three or more cells.
b. The cell is the basic unit of structure and organization in
organisms.
c. Cells arise from pre-existing cells.
d. Some living organisms have only one cell.
4.
With the continual improvements made to
_________, cell biology was made possible in the 17th century.
a. microscope
b. telescope
c. stethoscope
d. periscope
5.
Cell theory was formulated in 1839. The
following scientist did not contribute to the cell theory:
a. Robert Hooke
b. Matthias Schleiden
c. Theodor Schwann
d. Rudolf Virchow
6.
The following are characteristics of living
things except one:
a. Living things need oxygen to keep
alive.
b. Living things use energy for
maintenance and growth.
c. Living things grow and reproduce
other living things.
d. Livings things response and adapt
to their environment.
7.
Which one of these is not considered a
good attribute of a hypothesis?
a. complexity
b. consistency
c. power of prediction
d. closest to observable things
8.
A group of cells that perform a common
function is called a/an _______.
a. tissue
b. organ
c. digestive system
d. organism
9.
All are characteristics of bacteria
except:
a. Bacteria have only one method of
reproduction through binary fission.
b. The cells of bacteria do not have
nuclei.
c. Bacteria are harmful and also
beneficial to man.
d. Bacteria are single cellular
microscopic organisms.
10.
Dry ice is frozen _________.
a. carbon dioxide
b. water
c. oxygen
d. hydrogen
11.
Aling Naty put mothballs inside their
closets. After several months, she
discovered that all of them were gone. This physical process is called___.
a. sublimation
b. condensation
c. digestion
d. evaporation
12.
Which of these cannot be considered a
step in scientific method?
a. Using strategies in playing Dota.
b. Gathering reference books on how
typhoon is formed.
c. Observing that a needle floats on
water.
d. Testing what happens when sugar and
water are mixed together.
13.
When a color-blind man marries a woman
who have no trace of the condition, which of the following is correct.
a. Their baby girl will be a carrier.
b. Their baby girl will be
color-blind.
c. All their children will be
color-blind.
d. Their baby boy will be color blind.
14.
A fertilized egg is called a/an
_________.
a. zygote
b. gamete
c. ovum
d. ovulation
15.
The chemical symbol of an ordinary salt
is_____.
a. NaCl
b. H2O
c. H2SO4
d. CO2
16.
Mang Delfin planted an albino corn seeds
in an open field with good irrigation. After one week, the plants grew to about
1 foot but eventually died in the following days?
a. The plants cannot produce their own
foods.
b. The pests killed the plants.
c. Too much sunlight killed the plants.
d. Mang Delfin did not put enough
fertilizer on the soil.
17.
The following events are due to
condensation except one:
a. The clothes dried in an open space.
b. Having a cold soda on a hot day,
the can “sweats.”
c. The mirror in the bathroom during a
shower becomes foggy.
d. The clouds are formed.
18.
New born baby has fewer bones than an
adult.
a. False
b. True
c. Sometimes
d. It depends.
19.
A monsoon wind that comes from the
southwest.
a. Habagat
b. Tropical Easterlies
c. Amihan
d. Doldrum
20.
The earth started revolving around the
sun on 01 January 2017. When it reaches to its starting point, the date will be
approximately______.
a. 31 December 2017
b. 02 January 2018
c. 02 January 2017
d. 31 January 2017
21.
They are blood vessels that deliver
oxygen-rich blood from the heart to the tissues of the body.
a. Arteries
b. Capillaries
c. Veins
d. Haemoglobin
22.
What happens when the moon is between the
earth and the sun?
a. Solar eclipse
b. Tidal waves
c. Lunar eclipse
d. Earthquake
23.
The metal which is considered the best
conductor of electricity.
a. Silver
b. Gold
c. Aluminum
d. Copper
24.
Which of the following is not an inverse
relationship?
a. Pressure and Temperature of gas if
Volume is constant
b. Savings and Expenditure if Income
is constant
c, Resistance and Current if Voltage
is constant
d. Speed and Time if Distance is
constant
25.
It is the nearest star to the earth.
a. Sun
b. Leo
c. Satellite
d. Moon
26.
A needle placed on a glass of water
floats because of______.
a. surface tension
b. tensile strength
c. flotation
d. buoyancy
27.
Evolution by natural selection of
organisms is possible if all but one is present.
a. supremacy
b. variety
c. differential reproduction
d. heredity
28.
If 4 balloons are filled with hydrogen,
beryllium, helium, and lithium. The balloon which floats higher is filled
with_____.
a. Hydrogen
b. Beryllium
c. Helium
d. Lithium
29.
It is the most abundant gas in the
atmosphere.
a. Nitrogen
b. Carbon dioxide
c. Oxygen
d. Argon
30.
The longest and the strongest bone in the
human body.
a. femur
b. skull
c. humerus
d. pelvis
31.
Which of the following statement is true?
a. Each person has two copies of each
gene, one inherited from each parent.
b. In humans, genes are of the same
size.
c. DNA is made up of genes.
d. Each gene contains many chromosomes
32.
One of the following statements is not
correct. Which one?
a. Genotypes are internal visible
characters such as height, color of eyes and dimple.
b. The transfer of characters from
parents to offspring is called heredity,
c. Traits were passed on independently
of others from parents to offspring.
d. There are dominant and recessive
traits passed on randomly from parents to offspring.
33.
Which of the following animals is not a
mammal?
a. shark
b. whale
c. dolphin
d. seal
34.
On a stormy day, you see the lightning
first before you hear the thunder. This is explained by one of the following:
a. Light travels faster than sound.
b. You see the lightning first because
it is very bright.
c. Your eyes are sharper than your
ears.
d. The sound of the storm is louder
than the sound of the thunder.
35.
A glass full of water is placed inside a
small bowl. A golf ball is submerged on the glass. What can you conclude about
the displaced water?
a. Its volume is equal to the volume
of the golf ball.
b. Its weight is equal to the volume
of the golf ball.
c. Its weight is equal to the weight
of the golf ball.
d. Its volume is equal to the weight
of the golf ball.
36.
“For every action, there is an equal and
opposite reaction.” This law is attributed to which scientist below:
a. Sir Isaac Newton
b. Archimedes
c. Gregor Mendel
d. Albert Einstein
37.
The speed of light which is approximately
186,300 miles per second or 300,000 kilometers per second, is first estimated
by this Danish astronomer.
a. Ole Roemer
b. Galileo Galilei
c. Nicholas Copernicus
d. Johannes Kepler
38.
The stapes, the smallest and
stirrup-shaped bone, is located in which part of the human body?
a. Ear
b. Nose
c. Groin
d. Eye
39.
What is not a greenhouse effect?
a. It is the result of the lessening
of greenhouse gases in the atmosphere due to deforestation and burning up of
fossil fuel.
b. it is the process by which radiation from a planet's atmosphere
warms the planet's surface to a temperature above what it would be without its
atmosphere.
c. It increases the temperature of the earth by trapping
heat in our atmosphere.
d. It refers to circumstances where short wavelengths of
visible light from the sun pass through a transparent medium and are absorbed,
but the longer wavelengths of the infrared re-radiation from the heated objects
are unable to pass through that medium.
40. When your tumor is benign, it means that it is_____.
a. non-cancerous
b. cancerous
c. moving in other parts of the body
d. reproducing rapidly
41. David has three kilos of gold on the moon while Ernest has three kilos
of gold on earth. Who has more gold?
a. David
b. Ernest
c. Both of then have the same amount of gold.
d. It depends on how long David has been on the moon
42. Raha Moharrak, the first Saudi woman to climb
Everest, is trying to boil water for rice at base camp. How should she alter
her recipe at a high elevation? (Credit to Melissa Hirsch of Gill, Massachusetts)
a. She should simmer
the rice for more time. Because air pressure is lower at high altitudes, water
boils at a lower temperature.
b. She should simmer the rice for less time. Because air
pressure is lower at high altitudes, water boils at a lower temperature.
c. She should cook the rice at a lower temperature. Because air
pressure is lower at high altitudes, water boils at a lower temperature.
d. She should cook the
rice at a higher temperature. Because air pressure is lower at high altitudes,
water boils at a lower temperature.
43. Table salt is made from: (Credit to Lisa Paschall of NY, NY).
a. a highly reactive metal and a toxic
gas
b. two unreactive nonmetals
c. two highly reactive metals
d. two toxic gases
44. Which of the following conditions on Mars
would be the first to kill a human who is unprotected and unassisted by life
support? (Credit to Edmund Smith of Hartford, Connecticut)
a. Low air pressure.
b. Colder than Antarctic temperatures.
c.
High CO2 atmosphere.
d.
Excess solar radiation
due to a missing magnetic field.
45. O+ blood can be transfused into people with which blood
types?
a. Any blood type
that is RH+
b. Any blood type
c. Only other O+
blood type
d. Any blood type
that is RH-
46. When a helium nucleus is being ejected from
the nucleus of an atom, ______ took place.
a. alpha decay
b. beta decay
c. gamma decay
d. electromagnetic radiation
47.
The 4 basic forces of nature that govern the interaction of matter and energy
are:
a. gravitational, electromagnetic,
strong, weak
b. electricity, gravity, magnetism,
thermodynamics
c. kinetic, potential, gravitational,
inertia
d. gravitational, volcanic,
electrodynamics, radiation
48. 6.02 x 1023 represents which
number?
a. Avogadro’s number
b. Euler’s function
c. speed of sound
d. Hardy-Ramanujan number
49. The part of the brain that controls
involuntary functions such as breathing and heart rhythms.
a. Medulla oblongata
b. cerebellum
c. frontal lobe
d. occipital lobe
50.
Natural selection is not the only process that effects the survival of certain
alleles. What is the particular genetic effect that states certain alleles will
be expressed by chance fluctations?
a. genetic drift
b. mutation
c. evolution
d. speciation
--o0o—GOOD LUCK—o0o--
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